mount checker

例句：

1. 1. The sun sets behind the towering mountain ranges.
   太阳从高耸的山脉后面落下。
2. 2.The hikers climbed up to the top of the mountain for a better view.
   登山者爬到山顶去欣赏更好的景色。
3. 3. The mountains are home to many rare and endangered species.
   这些山脉是许多稀有和濒危物种的家园。